37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
import type { NextFunction, Request, Response } from 'express'
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import multer from 'multer'
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import { getMaxUploadSizeBytes } from '../services/file-storage/file-storage-service.js'
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import { createHttpError, sendRouteError } from '../utils/http.js'
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const upload = multer({
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storage: multer.memoryStorage(),
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limits: {
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fileSize: getMaxUploadSizeBytes(),
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files: 1,
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},
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})
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export function uploadSingleFile(req: Request, res: Response, next: NextFunction): void {
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upload.single('file')(req, res, (error: unknown) => {
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if (!error) {
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next()
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return
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}
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const normalizedError =
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error instanceof multer.MulterError && error.code === 'LIMIT_FILE_SIZE'
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? createHttpError('文件超过上传大小限制', {
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statusCode: 400,
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errorCode: 'upload_file_too_large',
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cause: error,
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})
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: createHttpError('文件上传失败', {
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statusCode: 400,
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errorCode: 'upload_file_invalid',
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cause: error,
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})
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sendRouteError(res, normalizedError, '文件上传失败', '[files/upload]')
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})
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}
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